Home / 134,885.77-186,141.45-73,631.71

Finding the Fourth Proportional to 134,885.77, 186,141.45 and 73,631.71

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Solution

The fourth proportional to 134,885.77, 186,141.45 and 73,631.71 is: 101,611.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,885.77 : 186,141.45 = 73,631.71 : x
  2. Step 2: Convert to fraction form
    134,885.77/186,141.45 = 73,631.71/x
  3. Step 3: Cross multiply
    134,885.77x = 186,141.45 × 73,631.71
  4. Step 4: Simplify right side
    134,885.77x = 13,705,913,265.38
  5. Step 5: Solve for x
    x = 13,705,913,265.38/134,885.77
  6. Step 6: Final answer
    x = 101,611.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.